NOR: lpc2000 Add support for LPC84x devices

[openocd.git] / src / flash / nor / lpc2000.c

diff --git a/src/flash/nor/lpc2000.c b/src/flash/nor/lpc2000.c
index 77beac1ca1630650dea8f05f9943392abfb2c65f..e62fc7948eb11e2580be8bf4db8ef36c5ca3361a 100644 (file)
--- a/src/flash/nor/lpc2000.c
+++ b/src/flash/nor/lpc2000.c
@@ -12,6 +12,9 @@
  *   by Nemui Trinomius                                                    *
  *   nemuisan_kawausogasuki@live.jp                                        *
  *                                                                         *
+ *   LPC8N04/HNS31xx support Copyright (C) 2018                            *
+ *   by Jean-Christian de Rivaz jcdr [at] innodelec [dot] ch               *
+ *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
@@ -38,7 +41,7 @@
 
 /**
  * @file
- * flash programming support for NXP LPC8xx,LPC1xxx,LPC4xxx,LP5410x and LPC2xxx devices.
+ * flash programming support for NXP LPC8xx,LPC1xxx,LPC4xxx,LP5410x,LPC2xxx and NHS31xx devices.
  *
  * @todo Provide a way to update CCLK after declaring the flash bank. The value which is correct after chip reset will
  * rarely still work right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
@@ -77,6 +80,9 @@
  * lpc800:
  * - 810 | 1 | 2 (tested with LPC810/LPC811/LPC812)
  * - 822 | 4 (tested with LPC824)
+ * - 8N04
+ * - NHS31xx (tested with NHS3100)
+ * - 844 | 5 (tested with LPC845)
  *
  * lpc1100:
  * - 11xx
@@ -111,6 +117,8 @@
  * - 408x
  * - 81x
  * - 82x
+ * - 8N04
+ * - NHS31xx
  */
 
 /* Part IDs for autodetection */
@@ -257,6 +265,20 @@
 #define LPC824_201     0x00008241
 #define LPC824_201_1   0x00008242
 
+#define LPC8N04        0x00008A04
+#define NHS3100        0x4e310020
+#define NHS3152        0x4e315220
+#define NHS3153        0x4e315320 /* Only specified in Rev.1 of the datasheet */
+
+#define LPC844_201     0x00008441
+#define LPC844_201_1   0x00008442
+#define LPC844_201_2   0x00008444
+
+#define LPC845_301     0x00008451
+#define LPC845_301_1   0x00008452
+#define LPC845_301_2   0x00008453
+#define LPC845_301_3   0x00008454
+
 #define IAP_CODE_LEN 0x34
 
 #define LPC11xx_REG_SECTORS    24
@@ -282,6 +304,7 @@ struct lpc2000_flash_bank {
        int checksum_vector;
        uint32_t iap_max_stack;
        uint32_t lpc4300_bank;
+       uint32_t iap_entry_alternative;
        bool probed;
 };
 
@@ -526,10 +549,18 @@ static int lpc2000_build_sector_list(struct flash_bank *bank)
                        case 16 * 1024:
                                bank->num_sectors = 16;
                                break;
+                       case 30 * 1024:
+                               lpc2000_info->cmd51_max_buffer = 1024;  /* For LPC8N04 and NHS31xx, have 8kB of SRAM */
+                               bank->num_sectors = 30;                 /* There have only 30kB of writable Flash out of 32kB */
+                               break;
                        case 32 * 1024:
                                lpc2000_info->cmd51_max_buffer = 1024; /* For LPC824, has 8kB of SRAM */
                                bank->num_sectors = 32;
                                break;
+                       case 64 * 1024:
+                               lpc2000_info->cmd51_max_buffer = 1024; /* For LPC844, has 8kB of SRAM */
+                               bank->num_sectors = 64;
+                               break;
                        default:
                                LOG_ERROR("BUG: unknown bank->size encountered");
                                exit(-1);
@@ -741,6 +772,9 @@ static int lpc2000_iap_call(struct flash_bank *bank, struct working_area *iap_wo
                        exit(-1);
        }
 
+       if (lpc2000_info->iap_entry_alternative != 0x0)
+               iap_entry_point = lpc2000_info->iap_entry_alternative;
+
        struct mem_param mem_params[2];
 
        /* command parameter table */
@@ -938,6 +972,8 @@ FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
                if (strcmp(CMD_ARGV[8], "calc_checksum") == 0)
                        lpc2000_info->calc_checksum = 1;
        }
+       if (CMD_ARGC >= 10 && !lpc2000_info->iap_entry_alternative)
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[9], lpc2000_info->iap_entry_alternative);
 
        return ERROR_OK;
 }
@@ -1452,6 +1488,25 @@ static int lpc2000_auto_probe_flash(struct flash_bank *bank)
                        bank->size = 32 * 1024;
                        break;
 
+               case LPC8N04:
+               case NHS3100:
+               case NHS3152:
+               case NHS3153:
+                       lpc2000_info->variant = lpc800;
+                       bank->size = 30 * 1024;
+                       break;
+
+               case LPC844_201:
+               case LPC844_201_1:
+               case LPC844_201_2:
+               case LPC845_301:
+               case LPC845_301_1:
+               case LPC845_301_2:
+               case LPC845_301_3:
+                       lpc2000_info->variant = lpc800;
+                       bank->size = 64 * 1024;
+                       break;
+
                default:
                        LOG_ERROR("BUG: unknown Part ID encountered: 0x%" PRIx32, part_id);
                        exit(-1);